Across
- 1. Protein produced by the immune system to fight foreign substances
- 6. Word part added at the end of a term
- 7. Machine that sterilizes instruments using steam under pressure
- 8. Free from all microorganisms
- 10. Practices that maintain health and prevent disease
- 12. Tool used to view very small objects
- 14. Word part added at the beginning of a term
- 15. Place where scientific tests and research are carried out
- 16. Surgical cutting instrument used in sterile processing
- 18. Medical procedure involving an operation
- 19. Invasion of the body by harmful microorganisms
- 20. Preparation that stimulates immunity against a disease
Down
- 2. Body’s defense against infection or disease
- 3. Tiny infectious agent that requires a host to reproduce
- 4. Single-celled microorganisms, some cause disease
- 5. Instrument used to listen to heart and lung sounds
- 9. Treatment to relieve or heal a disorder
- 11. Widespread occurrence of an infectious disease
- 13. To clean and remove most microorganisms
- 17. Practice of preventing infection